<?php
// +----------------------------------------------------------------------
// | 萤火商城系统 [ 致力于通过产品和服务，帮助商家高效化开拓市场 ]
// +----------------------------------------------------------------------
// | Copyright (c) 2017~2021 https://www.yiovo.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed 这不是一个自由软件，不允许对程序代码以任何形式任何目的的再发行
// +----------------------------------------------------------------------
// | Author: 萤火科技 <admin@yiovo.com>
// +----------------------------------------------------------------------
declare (strict_types = 1);

namespace app\api\controller;

use app\api\model\Order as OrderModel;
use app\api\service\Cart as CartService;
use app\api\service\order\Checkout as CheckoutService;
use app\api\validate\order\Checkout as CheckoutValidate;
use app\common\exception\BaseException;
use think\response\Json;

/**
 * 订单结算控制器
 * Class Checkout
 * @package app\api\controller
 */
class Checkout extends Controller {
	// 结算台验证器
	/* @var CheckoutValidate $validate */
	private $validate;

	/**
	 * 结算台订单信息
	 * @param string $mode
	 * @return Json
	 * @throws BaseException
	 * @throws \think\db\exception\DataNotFoundException
	 * @throws \think\db\exception\DbException
	 * @throws \think\db\exception\ModelNotFoundException
	 * @throws \cores\exception\BaseException
	 */
	public function order(string $mode = 'buyNow'): Json {
		if ($mode === 'buyNow') {
			return $this->buyNow();
		} elseif ($mode === 'cart') {
			return $this->cart();
		}
		return $this->renderError('结算模式不合法');
	}

	/**
	 * 订单提交
	 * @param string $mode
	 * @return Json
	 * @throws BaseException
	 * @throws \think\db\exception\DataNotFoundException
	 * @throws \think\db\exception\DbException
	 * @throws \think\db\exception\ModelNotFoundException
	 * @throws \cores\exception\BaseException
	 */
	public function submit(string $mode = 'buyNow'): Json {
		return $this->order($mode);
	}

	/**
	 * 订单确认-立即购买
	 * @return Json
	 * @throws BaseException
	 * @throws \think\db\exception\DataNotFoundException
	 * @throws \think\db\exception\DbException
	 * @throws \think\db\exception\ModelNotFoundException
	 * @throws \cores\exception\BaseException
	 */
	private function buyNow(): Json {
		// 实例化结算台服务
		$Checkout = new CheckoutService;
		// 订单结算api参数
		$params = $Checkout->setParam($this->getParam([
			'goodsId' => 0,
			'goodsSkuId' => '',
			'goodsNum' => 0,
		]));
		// 表单验证
		if (!$this->getValidate()->scene('buyNow')->check($params)) {
			return $this->renderError($this->getValidate()->getError(), ['isCreated' => false]);
		}
		// 立即购买：获取订单商品列表
		$model = new OrderModel;
		$goodsList = $model->getOrderGoodsListByNow(
			(int) $params['goodsId'],
			(string) $params['goodsSkuId'],
			(int) $params['goodsNum']
		);
		// 获取订单确认信息
		$orderInfo = $Checkout->onCheckout($goodsList);
		if ($this->request->isGet()) {
			return $this->renderSuccess([
				'order' => $orderInfo,
				'personal' => $Checkout->getPersonal(),
				'setting' => $Checkout->getSetting(),
			]);
		}
		// 验证订单是否存在错误
		if ($Checkout->hasError()) {
			return $this->renderError($Checkout->getError(), ['isCreated' => false]);
		}
		// 创建订单
		if (!$Checkout->createOrder($orderInfo)) {
			return $this->renderError($Checkout->getError() ?: '订单创建失败', ['isCreated' => false]);
		}
		// 返回状态
		return $this->renderSuccess(['orderId' => $Checkout->model['order_id']], '订单创建成功');
	}

	/**
	 * 订单确认-购物车结算
	 * @return Json
	 * @throws BaseException
	 * @throws \think\db\exception\DataNotFoundException
	 * @throws \think\db\exception\DbException
	 * @throws \think\db\exception\ModelNotFoundException
	 * @throws \cores\exception\BaseException
	 */
	private function cart(): Json {
		// 实例化结算台服务
		$Checkout = new CheckoutService;
		// 订单结算api参数
		$params = $Checkout->setParam($this->getParam());
		// 购物车ID集
		$cartIds = $this->getCartIds();
		// 商品结算信息
		$CartModel = new CartService;
		// 购物车商品列表
		$goodsList = $CartModel->getOrderGoodsList($cartIds);
		$time = Date('Y-m-d H:i', strtotime("+1 hour"));
		// 获取订单结算信息
		$orderInfo = $Checkout->onCheckout($goodsList);
		if ($this->request->isGet()) {
			return $this->renderSuccess([
				'order' => $orderInfo,
				'time' => $time,
				'personal' => $Checkout->getPersonal(),
				'setting' => $Checkout->getSetting(),
			]);
		}
		// 验证订单是否存在错误
		if ($Checkout->hasError()) {
			return $this->renderError($Checkout->getError(), ['isCreated' => false]);
		}
		// 创建订单
		if (!$Checkout->createOrder($orderInfo)) {
			return $this->renderError($Checkout->getError() ?: '订单创建失败');
		}
		// 移出购物车中已下单的商品
		$CartModel->clear($cartIds);
		// 返回状态
		return $this->renderSuccess(['orderId' => $Checkout->model['order_id']], '订单创建成功');
	}

	/**
	 * 获取结算台验证器
	 * @return CheckoutValidate
	 */
	private function getValidate(): CheckoutValidate {
		if (!$this->validate) {
			$this->validate = new CheckoutValidate;
		}
		return $this->validate;
	}

	/**
	 * 获取购物车ID集
	 * @return false|string[]
	 */
	private function getCartIds() {
		$cartIds = $this->request->param('cartIds');
		return explode(',', $cartIds);
	}

	/**
	 * 订单结算提交的参数
	 * @param array $define
	 * @return array
	 */
	private function getParam(array $define = []): array {
		return array_merge($define, $this->request->param());
	}
}